<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        body {
            background: url(./img/1\ \(1\).jpg)no-repeat;
        }
        
        .box {
            /* top: 100px; */
            width: 300px;
            height: 400px;
            /* opacity: 0.6; */
            /* background: #000; */
            background: rgba(0, 0, 0, 0.4);
            margin: 0 auto;
            border-radius: 10px;
        }
    </style>
</head>

<body>
    <div class="box"></div>
</body>

</html>